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-              r1390
+              r1391
         # cause us to skip, if we are presently skipping.
         my $ended = $1;
         next if $skipping && $ended !~ /^(?:ifset|ifclear|ignore|menu|iftex)$/;
+        next if $skipping && $ended !~ /^(?:ifset|ifclear|ignore|menu|iftex|copying)$/;
         die "\@end $ended without \@$ended at line $.\n" unless defined $endw;
 …
     };
     /^\@(ignore|menu|iftex)\b/ and do {
+    /^\@(ignore|menu|iftex|copying)\b/ and do {
         push @endwstack, $endw;
         push @skstack, $skipping;
 …
     s/\@uref\{([^\},]*),([^\},]*),([^\},]*)\}/$3/g;
+    # Turn B<blah I<blah> blah> into B<blah> I<blah> B<blah> to
+    # match Texinfo semantics of @emph inside @samp.  Also handle @r
+    # inside bold.
+    # Un-escape <> at this point.
     s/&LT;/</g;
     s/&GT;/>/g;
+while s/B<((?:[^<>]|I<[^<>]*>)*)R<([^>]*)>/B<$1>${2}B</g;
+while (s/B<([^<>]*)I<([^>]+)>/B<$1>I<$2>B</g);
+while (s/I<([^<>]*)B<([^>]+)>/I<$1>B<$2>I</g);
+    # Now un-nest all B<>, I<>, R<>.  Theoretically we could have
+    # indefinitely deep nesting; in practice, one level suffices.
+while s/([BIR])<([^<>]*)([BIR])<([^<>]*)>/$1<$2>$3<$4>$1</g;
+    # Replace R<...> with bare ...; eliminate empty markup, B<>;
+    # shift white space at the ends of [BI]<...> expressions outside
+    # the expression.
+    s/R<([^<>]*)>/$1/g;
     s/[BI]<>//g;
     s/([BI])<(\s+)([^>]+)>/$2$1<$3>/g;

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Changeset 1391 for branches/GNU/src/gcc/contrib/texi2pod.pl